File: variadic-null-win64.c

package info (click to toggle)
llvm-toolchain-3.9 1%3A3.9.1-8
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 441,060 kB
  • ctags: 428,777
  • sloc: cpp: 2,546,577; ansic: 538,318; asm: 119,677; objc: 103,316; python: 102,148; sh: 27,847; pascal: 5,626; ml: 5,510; perl: 5,293; lisp: 4,801; makefile: 2,177; xml: 686; cs: 362; php: 212; csh: 117
file content (17 lines) | stat: -rw-r--r-- 736 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
// RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-windows-msvc | FileCheck %s --check-prefix=WINDOWS
// RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-linux | FileCheck %s --check-prefix=LINUX

// Make it possible to pass NULL through variadic functions on platforms where
// NULL has an integer type that is more narrow than a pointer. On such
// platforms we widen null pointer constants to a pointer-sized integer.

#define NULL 0

void v(const char *f, ...);
void f(const char *f) {
  v(f, 1, 2, 3, NULL);
}
// WINDOWS: define void @f(i8* %f)
// WINDOWS: call void (i8*, ...) @v(i8* {{.*}}, i32 1, i32 2, i32 3, i64 0)
// LINUX: define void @f(i8* %f)
// LINUX: call void (i8*, ...) @v(i8* {{.*}}, i32 1, i32 2, i32 3, i32 0)